您要查找的是不是：
- double break contact 双断接点
- "The contactors feature silver cadmium oxide, double break contacts to assure a long electrical life, high weld resistance and excellent interrupting capacity." 这种接触器采用银氧化镉材料,双断接点,有利于保证较长的电气寿命、较高的抗焊接性能和杰出的断开容量。
- For disconnector : Center break, double break, earthing switch. 适用于这几种隔离开关：中断开关、双断开关、接地开关。
- If not broken contact pull up and go around. 如没出云,拉升复飞。
- Agassi was serving on a double break point at 4-4 in the first set against Jiri Vanek of the Czech Republic when he injured his right leg. 阿加西本场比赛面对捷克选手瓦内克。在第一盘双方打成4-4时阿加西握有两个破发点，但他不幸扭伤了右腿，退出比赛。
- Descend to your minimum altitude if not broken contact pull up and go around. 下降到你的最低高度，如不能见，复飞。
- He broke contact, grousing to himself about the highhanded tone these Human military types took with each other and everyone around them. 他关闭了连接，暗自抱怨这些人类军人们相互之间以及对周围人员所采用的专横语气。
- These diaphragm or piston type pressure switches in brass housings are available off-the-shelf as break contacts ormake contacts. 这些现货供应的膜片或活塞型的压力开关采用黄铜外壳,开路接点或闭合接点。
- Two way make-before break contact 双向先合后断触点
- Precious metal break contact materials 贵金属断开触点材料
- with quick make, quick break contact 快开快关
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- Banerjee, S. and Hazra, L. N., 2002. “Structural design of broken contact doublets with prespecified aberration targets using genetic algorithm” , Journal of Modern Optics, Vol. 49, pp.1111-1123. 王俊勋，2003，“绕射\\折射复合型变焦镜组之设计与量测”，国立交通大学光电工程研究所，硕士论文。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Banerjee, S. and Hazra, L.N., 2002.“Structural design of broken contact doublets with prespecified aberration targets using genetic algorithm” , Journal of Modern Optics, Vol. 49, pp.1111-1123. 黄彦杰，2005年7月，“光学系统多目标最佳化参数设计”，国立高雄第一科技大学机械与自动化工程所，硕士论文。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
